alluvium

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alluvium

The material deposited on land by virtue of the process of accretion. The accretion process occurs when rivers or other waters deposit silt and mud on land,and thus create more land; the silt and mud making up the new land is called alluvium.

References in periodicals archive ?
The groundwater aquifers in the area are the weathered basement and the Alluvial deposits of the wadis.
2010) made a comparative study of pile anchor support system for deep excavation in alluvial deposits of Lahore.
Bore-hole logs of buildings and bridges in and around Phnom Penh city were used to clarify the subsurface geology, especially with regard to alluvial deposits of the Mekong.
New correlations are developed for alluvial deposits of Surat and SUDA using laboratory results shown in Table 3.
The core objective of the book is to show that an understanding of the nature of modern rivers and floodplains is necessary to the rational analysis of alluvial deposits and river-channel problems.
Older, rubified alluvial deposits of the Shepparton Formation are scattered around the area (Cameron et al.
To retrieve the gold settled in the bottom of stream beds, many miners use suction dredges, which excavate alluvial deposits of sand, silt and clay from riverbed bottoms for processing.
It is the alluvial deposits of the region that have proved the most significant to date, not only because they have yielded approximately 6.
From radiocarbon dates of a few alluvial deposits (sediments deposited by streams or rivers) and analyses of soils along the southeastern end of the fault, Madole brackets the time of last movement between 500 and 2,000 years ago.
Alluvial mining refers to mining precious metal deposits (particularly gold and gemstones) found in alluvial deposits - which are deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits.
Alluvial deposits in the Mavuco area of northeastern Mozambique are famous for producing copper-bearing tourmaline in a variety of colours (e.
This third assemblage includes lavas and hypabyssal intrusions, along with extension-related sedimentary and alluvial deposits ranging in age from 16M years to present.